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Precise measurement of 2νββ decay of 100Mo with the CUPID-Mo detection technology
- Armengaud, E;
- Augier, C;
- Barabash, AS;
- Bellini, F;
- Benato, G;
- Benoît, A;
- Beretta, M;
- Bergé, L;
- Billard, J;
- Borovlev, Yu A;
- Bourgeois, Ch;
- Briere, M;
- Brudanin, V;
- Camus, P;
- Cardani, L;
- Casali, N;
- Cazes, A;
- Chapellier, M;
- Charlieux, F;
- de Combarieu, M;
- Dafinei, I;
- Danevich, FA;
- De Jesus, M;
- Dumoulin, L;
- Eitel, K;
- Elkhoury, E;
- Ferri, F;
- Fujikawa, BK;
- Gascon, J;
- Gironi, L;
- Giuliani, A;
- Grigorieva, VD;
- Gros, M;
- Guerard, E;
- Helis, DL;
- Huang, HZ;
- Huang, R;
- Johnston, J;
- Juillard, A;
- Khalife, H;
- Kleifges, M;
- Kobychev, VV;
- Kolomensky, Yu G;
- Konovalov, SI;
- Leder, A;
- Kotila, J;
- Loaiza, P;
- Ma, L;
- Makarov, EP;
- de Marcillac, P;
- Marini, L;
- Marnieros, S;
- Misiak, D;
- Navick, X-F;
- Nones, C;
- Novati, V;
- Olivieri, E;
- Ouellet, JL;
- Pagnanini, L;
- Pari, P;
- Pattavina, L;
- Paul, B;
- Pavan, M;
- Peng, H;
- Pessina, G;
- Pirro, S;
- Poda, DV;
- Polischuk, OG;
- Previtali, E;
- Redon, Th;
- Rozov, S;
- Rusconi, C;
- Sanglard, V;
- Schäffner, K;
- Schmidt, B;
- Shen, Y;
- Shlegel, VN;
- Siebenborn, B;
- Singh, V;
- Tomei, C;
- Tretyak, VI;
- Umatov, VI;
- Vagneron, L;
- Velázquez, M;
- Weber, M;
- Welliver, B;
- Winslow, L;
- Xue, M;
- Yakushev, E;
- Zolotarova, AS
- et al.
Published Web Location
https://doi.org/10.1140/epjc/s10052-020-8203-4Abstract
We report the measurement of the two-neutrino double-beta (2 νββ) decay of 100Mo to the ground state of 100Ru using lithium molybdate (Li2100MoO4) scintillating bolometers. The detectors were developed for the CUPID-Mo program and operated at the EDELWEISS-III low background facility in the Modane underground laboratory (France). From a total exposure of 42.235 kg× day, the half-life of 100Mo is determined to be T1/22ν=[7.12-0.14+0.18(stat.)±0.10(syst.)]×1018 years. This is the most accurate determination of the 2 νββ half-life of 100Mo to date.
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